function login(){
    if(confirm("确定要登录？"))
        window.open("no-calculate.html");
}
function register(){
   	if(confirm("终于等到你了"))
        window.open("register.html");}
function viplogin(){
   	if(confirm("尊贵的黄金会员，热烈欢迎您"))
        window.open("login.html");}

